Home / 922,351.50-1,272,845.07-519,943.50

Finding the Fourth Proportional to 922,351.50, 1,272,845.07 and 519,943.50

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Solution

The fourth proportional to 922,351.50, 1,272,845.07 and 519,943.50 is: 717,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,351.50 : 1,272,845.07 = 519,943.50 : x
  2. Step 2: Convert to fraction form
    922,351.50/1,272,845.07 = 519,943.50/x
  3. Step 3: Cross multiply
    922,351.50x = 1,272,845.07 × 519,943.50
  4. Step 4: Simplify right side
    922,351.50x = 661,807,520,653.55
  5. Step 5: Solve for x
    x = 661,807,520,653.55/922,351.50
  6. Step 6: Final answer
    x = 717,522.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.